Patent US2876242A successfully refreshed from Google Patents.
US2876242A
Expired / Lapsed
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Process for refining fatty oils
Assignee: Individual
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Filing: 1955-01-14
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Granted: 1959-03-03
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Expires: 1975-01-14
Abstract
No abstract record available.
Inventors
- 👤 Benjamin H Thurman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:00
CPC Classifications
C; C11; C11B; C11B3/00; C11B3/02; C11B3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A PROCESS FOR REFINING GLYCERIDE OILS CONTAINING ACIDIC IMPURITIES INCLUDING FREE FATTY ACIDS, WHICH PROCESS INCLUDES THE STEPS OF: MIXING SODA ASH WITH SAID OIL UNDER CONDITIONS PRODUCING AN OIL-SOAPSTOCK MIXTURE CONTAINING CARBON DIOXIDE AND WATER, THE AMOUNT OF SODA ASH USED BEING NO MORE THAN A SMALL EXCESS OVER THAT REQUIRED THEORETICALLY TO NEUTRALIZE SAID ACIDIC IMPURITIES, SAID EXCESS BEING INSUFFICIENT TO PREVENT EVOLUTION OF CAR BON DIOXIDE IN THE MIXTURE; REMOVING THE CARBON DIOXIDE FROM SUCH OIL-SOAPSTOCK OF THE MIXTURE IN THE ABSENCE OF SUBSTANTIAL DEHYDRATION OF THE MIXTURE; AND THEN SUBJECTING THE RESULTING MIXTURE TO A SEPARATING ACTION TO SEPARATE THE SOAPSTOCK FROM THE OIL.
Claim 2
Dependent Claim
108 words
A PROCESS FOR REFINING GLYCERIDE OILS CONTAINING ACIDIC IMPURITIES INCLUDING FREE FATTY ACIDS, WHICH PROCESS INCLUDES THE STEPS OF: MIXING SODA ASH WITH SAID OIL UNDER CONDITIONS PRODUCING AN OIL-SOAPSTOCK MIXTURE CONTAINING CARBON DIOXIDE AND WATER, THE AMOUNT OF SODA ASH USED BEING NO MORE THAN A SMALL EXCESS OVER THAT REQUIRED THEORETICALLY TO NEUTRALIZE SAID ACIDIC IMPURITIES, SAID EXCESS BEING INSUFFICIENT TO PREVENT EVOLUTION OF CAR BON DIOXIDE IN THE MIXTURE; REMOVING THE CARBON DIOXIDE FROM SUCH OIL-SOAPSTOCK OF THE MIXTURE IN THE ABSENCE OF SUBSTANTIAL DEHYDRATION OF THE MIXTURE; AND THEN SUBJECTING THE RESULTING MIXTURE TO A SEPARATING ACTION TO SEPARATE THE SOAPSTOCK FROM THE OIL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |